/**
 * The sorting mode for particle systems.
 */
export enum ParticleSystemSortMode
{
    /**
     * No sorting.
     */
    None,

    /**
     * Sort based on distance.
     */
    Distance,

    /**
     * Sort the oldest particles to the front.
     */
    OldestInFront,

    /**
     * Sort the youngest particles to the front.
     */
    YoungestInFront,

}
